A convoy of student refugees travel across China, fleeing the hostilities of a brutal war with Japan. During the journey, Lian learns of the connection between her two companions and a tale from the Library of Legends, The Willow Star and the Prince. This revelation comes with profound consequences, for as the ancient books travel across China, they awaken immortals and guardian spirits who embark on an exodus of their own, one that will change the country's fate forever.